What color is #024C43?

#024C43 is a very dark, vivid teal. In RGB it is rgb(2, 76, 67), and in HSL hsl(173, 95%, 15%).

Is #024C43 accessible as text?

On white, #024C43 has a contrast ratio of 9.92:1 (passes WCAG AA for body text); on black it is 2.12:1 (fails). For text placed on #024C43, use white for the best readability.

What is the closest Tailwind color to #024C43?

The nearest Tailwind CSS token is teal-900 (#0B4F4A).

What colors go well with #024C43?

#024C43 pairs cleanly with neutrals — cream, taupe, charcoal and cool grays — and with its complementary #4B020A. In UI, a softer accent is often easier to use than the exact complement. Explore the harmonies, shades, tints and ready-made palettes for #024C43 below.

Is #024C43 good for buttons?

#024C43 works well for buttons and highlights, but use white text on #024C43 — black text only reaches 2.12:1, below the 4.5:1 needed for normal-size labels.

Is #024C43 the same as CSS darkslategray?

No — #024C43 is not the CSS named color darkslategray, but darkslategray (#2F4F4F) is the closest CSS named color.

#024C43 Color — HEX, RGB, HSL, Palette & Shades

Palettes built on #024C43

Not just a swatch — here's how #024C43 works with other colors. Named schemes with #024C43 in its natural role, and a note on why the supporting colors balance it.

Coastal Morning Lead · 5 colors

Lead #024C43 Accent #A7C4BC Surface #E0DABE Secondary #9AA0A0 Anchor #1C3549

Brunswick Green opens this coastal palette with sea-glass and warm sand alongside it, grounded by driftwood grey and a deep-navy anchor.

Nordic Calm Accent · 5 colors

Accent #024C43 Secondary #AEB4B7 Surface #F1F2F0 Support #7994A4 Anchor #2E3236

Brunswick Green keeps this Nordic scheme quiet — cool greys and a soft white around it, a muted-blue support and a charcoal anchor.

Vintage Leather Lead · 5 colors

Lead #024C43 Secondary #734F19 Surface #E4DCC0 Accent #3A5142 Anchor #5B231E

Brunswick Green plays the worn-leather lead, deepened by saddle brown and an oxblood anchor, softened by aged cream and cooled by a muted forest green.

Luxury Packaging Feature · 5 colors

Feature #024C43 Anchor #141210 Accent #BBA94D Secondary #1E2C29 Surface #F1EDE3

Brunswick Green carries the depth in this luxury scheme, offset by a brass accent and near-black and held together by a deep neutral and an off-white surface.

Minimal Editorial Surface · 5 colors

Surface #F7F4EF Accent #024C43 Secondary #596C68 Support #979286 Ink #16140F

Brunswick Green is the single accent in this high-contrast editorial system — set on near-white paper against near-black ink, with a warm grey and a desaturated tint of Brunswick Green carrying the quiet middle.

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Color Lab

How #024C43 actually behaves in design work — read from its OKLCH lightness, chroma and hue, not just its raw numbers. Ten signals to help you decide where this color earns its place.

Warmth 37/100

Cool

Reads cool and recessive — calming, technical, good for trust-led UI.

Softness 36/100

Low

Middle-weight — neither delicate nor heavy.

Depth 61/100

High

Mid depth — usable as an accent or a muted ground.

Naturalness 27/100

Low

Loosely natural — an earthy edge without being rustic.

Vintage feel 43/100

Moderate

A faint retro warmth without tipping into sepia.

Luxury 65/100

High

Restrained and premium — deep, quiet, high-end packaging and fashion.

Brand distinctiveness 26/100

Low

Quiet and neutral — a supporting tone, not a signature.

UI accent fit 52/100

Moderate

Workable accent with care around contrast.

Surface fit 41/100

Moderate

Usable as a tinted surface in measured doses.

Print safety 85/100

Very high

Reproduces faithfully in CMYK — safe for packaging and print.

Pairs with #024C43

For UI

For branding

For interior

For fashion

People also use #024C43 with

Dark Green Prussian Blue Oxblood Platinum Dark Slate Gray

UI roles & guardrails

Primary action Safe as a filled button with white label. AAA

Body text Passes on white at 16px and above. Pass

Large display Fine for headings 24px+ on white. Pass

Background Pair with white text at 9.9:1. Use

Subtle surface Use #B6F1EA for cards and hover fills. Tint 80

Avoid beside #023B4B — the hue gap is too small to read as intentional. Clash

In real applications

Not a swatch to memorise — a color to build with. Here is #024C43 at work across the surfaces designers actually ship.

Website / UI

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Dashboard

Revenue

$48.2k ▲ 12%

Brand

AVELINE

Studio

Poster

Nov 14 · 8PM

NIGHT
MARKET

Packaging

BLOOM

Botanical Wash

250 ml

Interior

Every model

Export

:root {
  --color-base: #024C43;
  --color-base-rgb: 2 76 67;
  --color-base-oklch: oklch(37.4% 0.066 181.4);
  --color-50: #F0FEFD;
  --color-100: #D8FDF9;
  --color-200: #B1FCF3;
  --color-300: #7AF5E7;
  --color-400: #4AE8D5;
  --color-500: #27CEBB;
  --color-600: #269C8E;
  --color-700: #216E65;
  --color-800: #1A4742;
  --color-900: #122B28;
  --color-on-base: #FFFFFF;
}

// tailwind.config.js
colors: {
  brunswick-green: {
    50: '#F0FEFD',
    100: '#D8FDF9',
    200: '#B1FCF3',
    300: '#7AF5E7',
    400: '#4AE8D5',
    500: '#27CEBB',
    600: '#269C8E',
    700: '#216E65',
    800: '#1A4742',
    900: '#122B28',
  },
}

$base: #024C43;
$base-ink: #FFFFFF;
$base-50: #F0FEFD;
$base-100: #D8FDF9;
$base-200: #B1FCF3;
$base-300: #7AF5E7;
$base-400: #4AE8D5;
$base-500: #27CEBB;
$base-600: #269C8E;
$base-700: #216E65;
$base-800: #1A4742;
$base-900: #122B28;
$base-hover: #023C35;
$base-subtle: #8FEDE2;

{
    "color": {
        "base": {
            "value": "#024C43",
            "type": "color"
        },
        "onBase": {
            "value": "#FFFFFF",
            "type": "color"
        },
        "scale": {
            "50": {
                "value": "#F0FEFD",
                "type": "color"
            },
            "100": {
                "value": "#D8FDF9",
                "type": "color"
            },
            "200": {
                "value": "#B1FCF3",
                "type": "color"
            },
            "300": {
                "value": "#7AF5E7",
                "type": "color"
            },
            "400": {
                "value": "#4AE8D5",
                "type": "color"
            },
            "500": {
                "value": "#27CEBB",
                "type": "color"
            },
            "600": {
                "value": "#269C8E",
                "type": "color"
            },
            "700": {
                "value": "#216E65",
                "type": "color"
            },
            "800": {
                "value": "#1A4742",
                "type": "color"
            },
            "900": {
                "value": "#122B28",
                "type": "color"
            }
        }
    }
}

Palettes built on #024C43

Color Lab

Pairs with #024C43

UI roles & guardrails

In real applications

Scales

Every model

Export